gvsig-raster / org.gvsig.raster.cache / trunk / org.gvsig.raster.cache / org.gvsig.raster.cache.lib.impl / deprecated / buffer / impl / RasterBase.java @ 1939
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package org.gvsig.raster.cache.buffer.impl; |
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import org.gvsig.raster.cache.buffer.BufferNoData; |
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/**
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* Base class for raster elements. This class contains methos for
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* reading width, height, number of bands and other raster parameters
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*
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* @author Nacho Brodin (nachobrodin@gmail.com)
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*/
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public abstract class RasterBase { |
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private static final long serialVersionUID = 1L; |
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private int dataType = RasterBuffer.TYPE_UNDEFINED; |
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private int bandCount = 0; |
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private int width = 0; |
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private int height = 0; |
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private int x = 0; |
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private int y = 0; |
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public BufferNoData noDataValue = null; |
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/**
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* Sets size and position values
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* @param x
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* Upper left X position
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* @param y
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* Upper left X position
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* @param w
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* Width
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* @param h
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* Height
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*/
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public RasterBase(int x, int y, int w, int h) { |
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this.x = x;
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this.y = y;
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this.width = w;
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this.height = h;
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} |
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/**
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* Sets size and position values
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* @param x
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* Upper left X position
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* @param y
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* Upper left X position
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* @param w
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* Width
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* @param h
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* Height
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* @param datatype
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* Data type of this raster
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* @param nBands
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* Number of bands of this raster
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*/
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public RasterBase(int x, int y, int w, int h, int dataType, int nBands) { |
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this.x = x;
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this.y = y;
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this.width = w;
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this.height = h;
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this.dataType = dataType;
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this.bandCount = nBands;
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} |
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/**
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* Returns the width in pixels
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* @return Width in pixels of this raster
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*/
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public int getWidth() { |
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return width;
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} |
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/**
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* Sets the width in pixels
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* @param width
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* Width in pixels of this raster
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*/
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public void setWidth(int width) { |
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this.width = width;
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} |
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/**
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* Returns the height in pixels
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* @return Height in pixels of this raster
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*/
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public int getHeight() { |
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return height;
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} |
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/**
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* Sets the height in pixels
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* @param height
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* Height in pixels of this raster
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*/
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public void setHeight(int height) { |
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this.height = height;
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} |
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/**
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* Returns the X upper left coordinate
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* @return X upper left coordinate in pixels
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*/
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public int getX() { |
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return x;
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} |
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/**
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* Sets the X upper left coordinate
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* @params x
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* X upper left coordinate in pixels
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*/
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public void setX(int x) { |
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this.x = x;
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} |
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/**
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* Returns the Y upper left coordinate
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* @return Y upper left coordinate in pixels
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*/
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public int getY() { |
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return y;
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} |
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/**
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* Sets the Y upper left coordinate
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* @params y
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* Y upper left coordinate in pixels
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*/
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public void setY(int y) { |
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this.y = y;
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} |
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/**
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* Gets the data type
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* @return
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*/
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public int getDataType() { |
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return dataType;
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} |
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/**
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* Sets the data type
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* @param dataType
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*/
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public void setDataType(int dataType) { |
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this.dataType = dataType;
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} |
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/**
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* Gets number of bands
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* @return
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*/
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public int getBandCount() { |
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return bandCount;
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} |
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/**
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* Sets number of bands
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* @param bandCount
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*/
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public void setBandCount(int bandCount) { |
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this.bandCount = bandCount;
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} |
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/**
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* Adds one to the band counter
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*/
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public void bandPlusPlus() { |
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this.bandCount ++;
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} |
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/**
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* Substracts one to the band counter
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*/
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public void bandLessLess() { |
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this.bandCount --;
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} |
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/**
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* Gets no data value
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* @return double
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*/
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public BufferNoData getNoDataValue() {
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return noDataValue;
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} |
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/**
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* Sets no data value
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* @return double
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*/
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public void setNoDataValue(BufferNoData nd){ |
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noDataValue = nd; |
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} |
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/**
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* Gets the size of the data type in bytes
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* @return Size of the data type that is used
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*/
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public int getDataSize() { |
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if (getDataType() == RasterBuffer.TYPE_BYTE) {
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return 1; |
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} else if ((getDataType() == RasterBuffer.TYPE_SHORT) | (getDataType() == RasterBuffer.TYPE_USHORT)) { |
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return 2; |
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} else if (getDataType() == RasterBuffer.TYPE_INT) { |
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return 4; |
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}else if (getDataType() == RasterBuffer.TYPE_FLOAT) { |
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return 8; |
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}else if (getDataType() == RasterBuffer.TYPE_DOUBLE) { |
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return 16; |
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} |
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return 0; |
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} |
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/**
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* Gets the buffer size
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* @return buffer size
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*/
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public long sizeof() { |
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return (long)(getDataSize() * getWidth() * getHeight() * getBandCount()); |
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} |
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} |